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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>文本属性练习</title>
    <style>
        div {
            color: #007bff;
            /* color: rgb(255,0,0); */
        }

        p {
            text-align: center;
        }
    </style>
</head>

<body>
    <div>标题文本</div>
    <p>你好啊手动阀手动阀</p>
</body>

</html>